Compression 170/170.
Haven't pressure tested it.
I have tried two different coils that I know work.
Tried two stators
Tried two flywheels
Tried 2 cdi boxes
Tried 3 different sets of carbs
Tried 3 different ways of routing cooling
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Has anyone ran a cooling line from the pump to the bottom of the headpipe? I just saw a diagram of it being routed that way.
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So I pulled my manifold and found this. About 1/4 of the epoxy port work is broke off. I realise it was a mistake now but I pulled both of them out.
I also put the original intake manifold and carbs on it that were on it last year and it still doing the same thing.
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Just re jetted to what everyone has suggested and still the same exact issue. I throw my friends coil in and same thing. I feel like I've gone through everything.
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Guys I need some help. I bought this engine off my buddy and it ripped in his ski. Only thing that really changed is the carbs that were on it. He had dual NOVI 48mm and Im running dual stock 38mm. It will start and idle fine but when I punch it, it has no power. Its like riding a JS440. BUT if...
I have a thought about the drive shaft set up. Why not leave the yamaha housing in place along with the midshaft, remove the drive shaft from the fx1 pump. Cut it back and have it splined to match the 650 impeller. So you would have a drive shaft that is yamaha splined on one end to fit the...
Recently picked up a ski that I plan to part out. I noticed it has an rc520 westcoast cylinder on it. Anyone know what its worth? No scaring in the bores, looks really good. Thanks!
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